1901,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1902,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1903,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1904,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1905,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1906,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1907,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1908,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1909,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1910,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1911,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1912,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1913,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1914,31.3,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1915,31.2,32,31.6,29.9,29.6,28,28.2,29,29.1,30.3,30,30.6
1916,31.4,32,31.6,30.6,29.1,27.5,27.8,27.9,29.1,29.1,29.6,29.7
1917,30.7,31.1,31.2,29.6,28.2,26.8,27.4,27.5,28.3,29,29.5,29.7
1918,30.8,31.6,30.9,29.4,27.7,26.7,27.3,28.1,28.7,29.6,29.7,30.1
1919,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1920,31.2,32,31.6,29.9,28.5,27.3,27.4,27.9,28.6,29.2,29.7,30.1
1921,31.2,31.7,30.7,29.2,27.8,26.8,27,27.4,28.4,28.5,29.3,29.9
1922,31,31.6,31,29.5,27.9,26.7,27.1,27.6,28.4,29.1,29.3,29.3
1923,30.3,31.3,30.6,29.2,28,27,26.7,27.7,28.6,29,29.7,29.5
1924,31.5,31.9,31.8,30.1,28.7,26.8,27,27.4,27.6,28.3,29.1,29.4
1925,30,31,30.7,29.5,28.4,27.1,27.3,27.4,28.3,29.5,29.5,30.2
1926,31.3,32.2,32,30.2,28.8,28.1,27.2,27.8,28.2,28.8,29.6,29.3
1927,30.4,31,31.1,29.1,27.8,26.7,26.5,27.3,28.2,28.5,29.7,30.2
1928,30.9,31.6,30.9,29.4,28,27,26.9,27.5,28.2,28.8,29.5,29.4
1929,30.7,31.5,30.7,29.3,27.7,26.9,26.7,27.8,28.4,29.1,29.3,29.5
1930,31,31.8,31.8,29.9,28.3,27.2,27.2,27.7,28.4,29,30,30.3
1931,31.6,32.4,32.1,30.4,28.7,27.5,27.2,27.9,28.6,29.3,29.6,30
1932,31.1,32,31.3,30.3,28.2,27.1,27.2,27.9,28.5,28.9,29.8,30
1933,30.9,31.2,31.2,29.8,28.3,26.8,27,27.7,28.6,28.4,28.7,29.1
1934,30.5,30.7,30.5,29.6,28.4,27.5,26.9,27.8,28.7,28.3,29.4,29.8
1935,31.1,31.6,31.1,29.8,27.8,26.8,27.2,27.3,28.4,29,29.5,30.2
1936,30.8,31.8,31.4,29.5,28.4,27.1,27.1,28,28.6,28.8,29.9,30
1937,30.8,31.6,31.6,29.7,28.2,27.2,27.5,27.8,28.7,29.3,30.2,30.8
1938,31.8,32.5,30.8,29.2,28.2,27.4,27.9,27.9,29,29.7,29.7,30.3
1939,30.5,30.6,30.3,29,28.6,27.6,27.6,28,28.6,29.7,30.4,31.1
1940,31.6,32.5,32.1,30.1,29.6,28,27.9,27.4,28.5,29.6,30.5,29.3
1941,31.6,32.7,32.8,30.9,29,27.3,28,28.7,29.2,29.9,30.6,30.9
1942,33,33.1,32.7,30.5,27.9,27.1,27.5,28.2,29.3,29.7,30.1,30.3
1943,31.3,30.9,30.5,29.1,27.8,27.2,27.3,27.6,28.7,29.4,29.8,30.5
1944,31.1,31.5,30.9,29.7,27.7,27,27.6,28.2,28.4,29.8,30.2,30.5
1945,30.5,31.1,30.8,29,27.4,26.5,26.8,28.1,28.6,29.1,29.4,30.5
1946,30.9,31.5,31.2,28.7,27.7,27.3,26.6,27.2,28.4,29.4,29.9,30.7
1947,31.4,32.5,31.9,30.3,29.1,27.5,27.1,27.5,28.4,29.3,30.3,31
1948,31.2,31.7,31.2,29.1,28.2,26.6,27,27.3,28.5,29.6,30.2,30.7
1949,30.8,31.2,31.2,29.5,28.6,27.5,27.5,27.9,28.4,29.3,30,30.7
1950,30.7,31.4,30.9,29.8,28.2,26.6,26.9,27.3,28.6,28.8,30.1,30.1
1951,30.8,30.7,31,29.6,28.6,27.1,26.9,28.1,29.1,29.9,30.4,30.7
1952,31.4,32.2,32.6,29.2,28.3,27.6,28,28.1,29.2,30.1,30.6,31.2
1953,31.9,32.2,31.9,30.5,28.6,28,27.5,28,29.6,30.7,30.8,31.6
1954,31.6,32.8,32.1,30,28.9,27.6,27.4,28,29.2,29.5,30.5,30.4
1955,31.8,32.1,30.6,30,29.3,28.3,27.4,28.5,29,30.3,30.5,30.8
1956,30.6,31.1,30.7,29.8,28.9,27.6,27.8,27.5,28.9,29.4,30.5,30.8
1957,31.4,31.8,32.5,30.9,29.4,27.7,28,28.5,29.6,30.1,30.4,31.3
1958,32.8,33.6,33.7,30.9,29,27.8,28.1,28.5,30.2,30,30.6,31.7
1959,32.7,32.9,32.9,31.7,28.8,27.9,27.8,28.3,28.7,29.5,30.1,31.3
1960,32.4,32.5,32.4,30.3,27.6,27,27,28.8,28.6,30,30.5,30.7
1961,32.3,32.7,32.1,30.6,30.1,27.8,27.3,28,29.2,30,29.6,29.4
1962,31,32.9,31,31.3,28.2,26.6,26.4,28.5,28.7,29.6,30.2,31.1
1963,31.7,32.2,31.7,29.8,27.7,27,27.7,28.2,29.6,30.3,30.2,31.1
1964,33,33.7,33.3,30.1,29.6,27.1,27.3,28.3,28.6,28.1,29,30
1965,31.1,31.9,32.2,31.3,28.4,27.3,27.6,27.9,29.3,30,29.3,30.3
1966,31.6,32.7,31.7,31.1,29.3,28.1,27.1,27.9,28.7,29.6,29.5,29.4
1967,30.3,32,32.1,29.2,28.7,26.6,27.3,27.5,28.1,28.6,30.3,29.8
1968,31.5,32.9,31.5,28.6,26.7,26.9,27,27.4,28.3,29,29.7,30.6
1969,30.5,31.3,31.6,29.5,28.7,27.9,27.4,27.9,28.2,28.5,29.5,29.4
1970,30.1,30.9,30.5,29.4,28.2,26.9,26.9,27.2,27.7,29.3,30.1,29.6
1971,30.5,31,30.7,29.5,27.5,27.3,28.1,27.7,27.7,28.7,28.8,29
1972,29.7,30.8,30.3,28.6,27.7,27.1,27.8,28.2,29.2,29.6,30.1,31.7
1973,32.3,33.5,31.9,29,28.6,27.6,27.8,27.8,27.4,30.9,29.3,29.4
1974,30.6,32.3,31,29.3,29.1,28.6,28.5,28.1,28.5,29,29.2,29.7
1975,30.5,29.5,31.1,29.9,28,27.7,27.9,28,28.6,29.2,29.3,30.6
1976,30.5,31.3,30.1,28.8,28.5,26.5,27.7,29.7,29,29.9,28.5,29.7
1977,31.3,32,31.1,30.8,27.6,26.8,27.7,28.2,28.2,29,29.7,29.9
1978,31.3,34,32.2,29.3,28.8,27.1,28.2,26.7,28.7,28.4,30,30.5
1979,31.6,32.1,30.7,29.3,29,26.7,27.3,27.4,29.3,29.1,30.7,30.1
1980,30.6,33,31.7,30.2,28.5,28.3,27.1,27.8,28.6,28.6,29,29.9
1981,31.9,31.5,31.9,28.7,27.8,27.1,26.5,27.5,28,28.7,29.5,29.6
1982,31.4,31.6,30.8,28.4,27.1,26.9,26.6,27.8,29,29.3,30,30.1
1983,32.1,33,33.1,29.7,29.3,28.5,28.1,28.2,28.9,28.9,29.9,29.3
1984,30.6,31.8,33.2,31.7,30.4,27.7,27.8,28.5,29.3,30,30.2,30.6
1985,32.6,32.8,32.3,30.8,27.8,26.1,27,26.9,28.3,28.8,28.7,29.7
1986,31,31.9,31.3,29.5,28.3,27.5,27.3,28.5,29.1,29.2,29.8,30.4
1987,32.5,32.8,32.7,30.7,28.6,27.8,28.7,28.7,29.7,30.4,31.1,31.6
1988,33.3,33.5,34.1,32,30.3,27.8,27.4,28.8,29.3,30,29.4,30.2
1989,30.2,30.7,30.5,30.5,27.7,26.6,25.2,26.6,26.8,29.4,28,27.9
1990,29,32.4,32.2,29.3,28.2,27,26.6,27.2,29.6,28,29.3,29.9
1991,31.5,32.5,31.3,29.7,29.4,27.5,26.3,26,28,27.8,28.6,29.1
1992,30.9,32.8,32.8,30.2,27.4,27.8,26,26.9,28.4,28.6,28.6,30.5
1993,30.6,32.4,30.8,28.8,27.3,25.8,26.1,28.1,28.6,30.6,29.8,30.2
1994,32.2,32.6,31.6,29.4,28,27.1,26.5,27.6,27.9,28.3,27.9,27.8
1995,30.9,33.1,32,30.8,29,27.2,27.2,27.7,29.4,29.4,29.6,30.5
1996,31.8,31.9,32.9,31.2,28.7,27,27.7,28,28.5,29.8,29.8,30.1
1997,31.6,30.7,32.3,30.7,28.6,28.5,27.7,28.3,28.7,30.3,29.5,29.3
1998,30.9,30.4,28.5,30.2,28.4,25.7,28.2,28.8,29,29.3,29.4,29.6
1999,31.4,31.4,31.4,28.4,29.5,28.5,27.8,27.5,28.4,28.9,29.7,30.2
2000,31.8,31.7,31,30,29,28,27.7,28.8,29.1,29.3,30.3,30.1
2001,31.9,32.3,32,30.9,29,27.5,28.9,28.5,29.6,30.3,30.9,30.3
2002,31.6,33.7,32.1,30.6,30.6,27.8,28.8,28.9,29.3,30,28.8,30.2
2003,33.2,33.3,32.7,30.5,29.2,28.9,27.7,28.7,29.5,29.7,30.3,30.7
2004,32.6,34,33.4,30.8,28.8,27.2,27.4,27.8,29.3,30.3,30.6,30.3
2005,32.6,32.9,33.3,29.4,28.6,28.1,28.5,28.8,29.7,30.5,30.4,30.5
2006,32,32.6,30.9,30.9,27.7,27.7,27.1,28.5,30.5,30.2,30.4,31.2
2007,31.9,34.6,32.3,30.7,29.6,28.2,28.5,28.5,29.1,29.8,30.8,30.6
2008,32.1,32.3,32.6,31.4,29.1,28.3,28.4,28.8,29.4,29.2,28.7,29.1
2009,30.7,32.2,30.6,31.1,28.9,27.4,27.3,28.3,29,30.9,30,30.7
